The Luhn algorithm is a method for validating bank card numbers, but it does not encrypt or store the PIN or any password. It only functions as a checksum to detect typing errors in a card number.

The Luhn algorithm or Luhn formula (creator: IBM scientist Hans Peter Luhn), also known as the " modulus 10" or "mod 10" algorithm, is a simple check digit formula used to validate a variety of …

The Luhn algorithm, a simple checksum verification algorithm, is also known as Luhn formula, modulus 10 algorithm, or mod 10 algorithm. It is most notably used to validate credit card numbers and IMEI …

Aug 12, 2025 · All mainstream credit card numbers employ a mathematical trick designed to catch the most common typos. It’s called the Luhn algorithm, named after IBM researcher Hans Peter Luhn, …

Apr 21, 2025 · Learn what the Luhn algorithm is and how businesses use it to verify card numbers, prevent errors, and boost payment security.

German computer scientist Hans Peter Luhn developed the Luhn algorithm in 1954. It calculates simple checksum formula used to validate identification numbers such as credit card numbers. The …

The Luhn algorithm, which is also frequently referred to as the Modulus 10 or the Luhn Formula, verifies the numbers within a given set of digits to evaluate whether the sum of those numbers is aligned with …

Validate and generate Luhn check digits with our Luhn algorithm (modulo 10) calculator. Use our tool to validate PAN and card number check digits accurately.

Nov 27, 2025 · What Is the Luhn Algorithm? The Luhn algorithm—also known as the “Modulus 10 algorithm”—is a formula that is used to determine whether the identification number provided by a …

Invented in 1954 by an engineer at IBM, the Luhn algorithm has since been adopted as a standard by all major credit card issuers, as well as many government IDs, and is specified in ISO/IEC 7812-1.